The MINIMUM permitted diameter of the pipes connecting a water column to a power boiler is...
correct answer ✔️
✔️1"
A steam gage is installed above a steam pipe with a gooseneck siphon. The MAIN purpose of the
gooseneck siphon is to... correct answer ✔️✔️ Maintain a water seal between the gage and steam
supply
The anemometer rating of a unit ventilator is USUALLY expressed in... correct answer ✔️
✔️Cubic
feet per minute
In accordance with the ASME Code for Low Pressure Heating Boilers, the MAXIMUM allowable
working pressure for a hot water heating boiler is ___ psi. correct answer ✔️
✔️160
The MOST common device used for measuring steam consumption in a district heating system is
the... correct answer ✔️
✔️Condensate meter
Of the following types of steam traps, the one which must be primed or filled with water prior to
operation is the ___ trap. correct answer ✔️ ✔️ Inverted-bucket
Of the following types of steam traps, the one which is recommended for dripping the ends of steam
mains is the ___ trap. correct answer ✔️ ✔️ Float-and-thermostatic
The removal of carbon dioxide gas from a two-pipe system heating system is accomplished by the
use of a... correct answer ✔️
✔️ Steam trap
In a true packless-type steam radiator supply valve, leakage around the stem is prevented by a...
correct answer ✔️ ✔️Metal bellows
Of the following types of steam radiator supply valves, the one MOST generally used in a two-pipe
steam heating system is the ___ type. correct answer ✔️ ✔️ Angle
The MAIN function of a Copes Regulator is to regulate the amount of... correct answer
✔️✔️ Feedwater entering a boiler drum